extrapolate vs reckon

extrapolate and reckon both are verbs.

Word	Noun	Adjective	Verb	Adverb
extrapolate	No	No	Yes	No
reckon	No	No	Yes	No

As verbs, reckon is a hypernym of extrapolate; that is, reckon is a word with a broader meaning than extrapolate:

Other hypernyms of extrapolate include calculate, cipher, compute, cypher, figure, work out.

extrapolate (verb)	reckon (verb)
estimate the value of something based on known values	deem to be
gain knowledge of (an area not known or experienced) by extrapolating	make a mathematical calculation or computation
draw from specific cases for more general cases	expect, believe, or suppose
	judge to be probable
	have faith or confidence in
	take account of